Malicious PDF — malware analysis report

Static analysis result for SHA-256 25a9f03453a0be02…

MALICIOUS

PDF

77.3 KB Created: 2020-12-07 13:01:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: fd25f60ff1930134e77f16f9ce620ac8 SHA-1: 5e18047815b94ac71c52f5e9dbb6979750141494 SHA-256: 25a9f03453a0be02b401be694c6392364d0f7825133b2d8873a9889262310149
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains an embedded URI pointing to 'https://traffnew.ru/aws?utm_term=al+quran+dan+terjemahan++pc', which is likely used to deliver a secondary payload or redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a lure related to 'Al quran dan terjemahan pc'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://traffnew.ru/aws?utm_term=al+quran+dan+terjemahan++pc PDF link annotation
    • https://fisokupavunimi.weebly.com/uploads/1/3/4/4/134469682/zotovuk-movimixopokaw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417226/normal_5faf8302a8227.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484635/normal_5fb72924e28d1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369190/normal_5fc1591f2cf0b.pdfIn PDF document text
    • https://lavigumujow.weebly.com/uploads/1/3/4/4/134438710/pizemokadokifuwot.pdfIn PDF document text
    • https://jawowigo.weebly.com/uploads/1/3/0/7/130774982/6615122.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf534cbc819f1cf4cf4f44/1606374224642/fablehaven_1.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/84b63088-82a0-4415-850a-e6ee3bb0dfdd/8006907389.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc79396d2523e4b70c2aa72/t/5fcab0130d05e301b00f7d6d/1607118868444/81782079980.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc3a23e7848ba205d29b2a8/t/5fc46f85eaf37e3b642a812e/1606709126193/45320582354.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ce85dbd-3abb-4423-a154-19a047c62001/tofexizorinarufoj.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000db3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB3D 5328 bytes
SHA-256: 3b63fcd0dcb20fdd76205fe7de5f8a7b75c6f62cb57b16e92e0d3f37138aceeb
font_01_sfnt_off0000ed2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED2F 10956 bytes
SHA-256: ca7b3f383e3e680de49f3cab6fcd408150b745cddd1658b74a05731e94bd0891
font_02_sfnt_off000112bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x112BC 16204 bytes
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501

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